-英语解释:A small, usually round, discolored area on a leaf, which can be caused by disease, fungus or insects. -运用情况:同样是在农业、园艺或者植物病理学中使用,当发现植物叶子上有斑点,并且想要找出原因或者进行诊断时就会用到这个词。 -例子:The leaf spot on these roses is probably caused by...
Define leaf-miner. leaf-miner synonyms, leaf-miner pronunciation, leaf-miner translation, English dictionary definition of leaf-miner. Noun 1. leaf-miner - any of various small moths or dipterous flies whose larvae burrow into and feed on leaf tissue esp
. Conspicuous leaf necroses in spring and early summer can be caused by different factors. At present, the damage caused by the Horse chestnut leaf miner, Cameraria ohridella, is in the focus of interest. However, the diagnosis of leaf damage is made difficult by the possible presence of ...
they have been known to feed on roses, yews, pines, and various grasses. They target a wide variety of crops. The leaf rolling activity is not damaging to crops; but they are known to attack flower buds (reducing crop numbers) and the fruit. The majority of their damage occurs as frui...
Improve air circulation and light level on lawn. ... Mow at the proper height and only mow when the grass is dry. How do you treat Cercospora leaf spots? Fungicidesare available to manage Cercospora leaf spot. Many of the conventional products used to prevent black spot of roses will ...
The adults lay their eggs on citrus leaves, which ultimately fall off and carry the eggs or the larvae to the soil. The newborn larvae then burrow underground and start feeding on the roots. Besides the direct damage caused by these larvae, the roots may also become infected with pathogens...
Main Products: Roses, Hydrangea, Moss and other materials, annual production: 1.5 million rosettes, 20,000 kg hydrangea, 10 tons moss Handicrafts Products: Mainly based on customized single items and export orders, annual productand export of 2 million US dollars Production site scale: ...
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